Synopsis：Caelon, the secret king of the seas, hides as a destitute merman while hunting for a royal traitor. When kind-hearted Mia is betrayed by her fiancé and humiliated by her stepsister, he impulsively marries her to protect her, all while concealing his true royal identity. As they return to Mia’s hometown to prepare for the wedding, their feelings deepen—and Caelon’s immense power and hidden status become impossible to disguise.